315567ffee7d1e8e3247ff643a2aac0f6886e2fa38cb2b077472feda5c2155fd

Analysis

max time kernel
165s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
06-01-2024 04:47

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General

Target

4552e24e1200f26be22fbc6992106417.pdf
Size

95KB
MD5

4552e24e1200f26be22fbc6992106417
SHA1

c62197bac0d7876658d30474c62dbd52a350e3ea
SHA256

315567ffee7d1e8e3247ff643a2aac0f6886e2fa38cb2b077472feda5c2155fd
SHA512

35d4390bbc90aa2b1538b93ee45dbdd914bca281ef202d9500f18aac0cda01bc682d4f5a829e26096ba90c33df59312ce393d1cd85b7e76a8e79696c15b425a3
SSDEEP

1536:yo/y1qQHCV3FTlqSjPS4QhhKWipyTJxbDMB55jbIAJKlQcSoNW8pO+JQtbW6J+eE:HCCVVhqSW4O4WKyVVgX5jbIAJKlvSF+f

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4428	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4428 wrote to memory of 1184	4428	AcroRd32.exe	92
PID 4428 wrote to memory of 1184	4428	AcroRd32.exe	92
PID 4428 wrote to memory of 1184	4428	AcroRd32.exe	92
PID 1184 wrote to memory of 4464	1184	RdrCEF.exe	96
PID 1184 wrote to memory of 4464	1184	RdrCEF.exe	96
PID 1184 wrote to memory of 4464	1184	RdrCEF.exe	96
PID 1184 wrote to memory of 4464	1184	RdrCEF.exe	96
PID 1184 wrote to memory of 4464	1184	RdrCEF.exe	96
PID 1184 wrote to memory of 4464	1184	RdrCEF.exe	96
PID 1184 wrote to memory of 4464	1184	RdrCEF.exe	96
PID 1184 wrote to memory of 4464	1184	RdrCEF.exe	96
PID 1184 wrote to memory of 4464	1184	RdrCEF.exe	96
PID 1184 wrote to memory of 4464	1184	RdrCEF.exe	96
PID 1184 wrote to memory of 4464	1184	RdrCEF.exe	96
PID 1184 wrote to memory of 4464	1184	RdrCEF.exe	96
PID 1184 wrote to memory of 4464	1184	RdrCEF.exe	96
PID 1184 wrote to memory of 4464	1184	RdrCEF.exe	96
PID 1184 wrote to memory of 4464	1184	RdrCEF.exe	96
PID 1184 wrote to memory of 4464	1184	RdrCEF.exe	96
PID 1184 wrote to memory of 4464	1184	RdrCEF.exe	96
PID 1184 wrote to memory of 4464	1184	RdrCEF.exe	96
PID 1184 wrote to memory of 4464	1184	RdrCEF.exe	96
PID 1184 wrote to memory of 4464	1184	RdrCEF.exe	96
PID 1184 wrote to memory of 4464	1184	RdrCEF.exe	96
PID 1184 wrote to memory of 4464	1184	RdrCEF.exe	96
PID 1184 wrote to memory of 4464	1184	RdrCEF.exe	96
PID 1184 wrote to memory of 4464	1184	RdrCEF.exe	96
PID 1184 wrote to memory of 4464	1184	RdrCEF.exe	96
PID 1184 wrote to memory of 4464	1184	RdrCEF.exe	96
PID 1184 wrote to memory of 4464	1184	RdrCEF.exe	96
PID 1184 wrote to memory of 4464	1184	RdrCEF.exe	96
PID 1184 wrote to memory of 4464	1184	RdrCEF.exe	96
PID 1184 wrote to memory of 4464	1184	RdrCEF.exe	96
PID 1184 wrote to memory of 4464	1184	RdrCEF.exe	96
PID 1184 wrote to memory of 4464	1184	RdrCEF.exe	96
PID 1184 wrote to memory of 4464	1184	RdrCEF.exe	96
PID 1184 wrote to memory of 4464	1184	RdrCEF.exe	96
PID 1184 wrote to memory of 4464	1184	RdrCEF.exe	96
PID 1184 wrote to memory of 4464	1184	RdrCEF.exe	96
PID 1184 wrote to memory of 4464	1184	RdrCEF.exe	96
PID 1184 wrote to memory of 4464	1184	RdrCEF.exe	96
PID 1184 wrote to memory of 4464	1184	RdrCEF.exe	96
PID 1184 wrote to memory of 4464	1184	RdrCEF.exe	96
PID 1184 wrote to memory of 4464	1184	RdrCEF.exe	96
PID 1184 wrote to memory of 2456	1184	RdrCEF.exe	97
PID 1184 wrote to memory of 2456	1184	RdrCEF.exe	97
PID 1184 wrote to memory of 2456	1184	RdrCEF.exe	97
PID 1184 wrote to memory of 2456	1184	RdrCEF.exe	97
PID 1184 wrote to memory of 2456	1184	RdrCEF.exe	97
PID 1184 wrote to memory of 2456	1184	RdrCEF.exe	97
PID 1184 wrote to memory of 2456	1184	RdrCEF.exe	97
PID 1184 wrote to memory of 2456	1184	RdrCEF.exe	97
PID 1184 wrote to memory of 2456	1184	RdrCEF.exe	97
PID 1184 wrote to memory of 2456	1184	RdrCEF.exe	97
PID 1184 wrote to memory of 2456	1184	RdrCEF.exe	97
PID 1184 wrote to memory of 2456	1184	RdrCEF.exe	97
PID 1184 wrote to memory of 2456	1184	RdrCEF.exe	97
PID 1184 wrote to memory of 2456	1184	RdrCEF.exe	97
PID 1184 wrote to memory of 2456	1184	RdrCEF.exe	97
PID 1184 wrote to memory of 2456	1184	RdrCEF.exe	97
PID 1184 wrote to memory of 2456	1184	RdrCEF.exe	97
PID 1184 wrote to memory of 2456	1184	RdrCEF.exe	97
PID 1184 wrote to memory of 2456	1184	RdrCEF.exe	97
PID 1184 wrote to memory of 2456	1184	RdrCEF.exe	97

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\4552e24e1200f26be22fbc6992106417.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4428
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1184
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=72B0D09707B10DF981A4C48CD5DE55D6 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4464
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=E64261845E02D19AF6316BFBC84736E6 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=E64261845E02D19AF6316BFBC84736E6 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2456
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=2138CD15D7AD7894B732EF62389E385E --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=2138CD15D7AD7894B732EF62389E385E --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1104
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=D823C5B546222140E227DBF902006DAF --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:548
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=1010E5FC6D5FA1BA2A24DBF41074C90D --mojo-platform-channel-handle=1804 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2888
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=AA8D5038A9841B3E8548FE15207B4A73 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4064

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4988

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
b8c84f263d3da872cc7e15a1c67295a7

SHA1
11bfa112f6d4ec9c1ee363f83e25d27a0584ccf6

SHA256
6f64a5530310527f952c6ca397f67ad673ccf791f456a7f580ccda83f7f02b3f

SHA512
34a97f19bd50dfea401acfd69c05185572b458424a78fd297513a68ed27c35489ae0f7f8feec6efc7ce1e8c367701dbee2553be9b7ae190612ba9d5596b3fddf

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit